Micro-Fugue on Happy Birthday for Baroque Ensemble [Rameau OT]

 A short 5-part Micro-Fugue on "Happy Birthday" (a tune which is now in the public domain) in Bb, for Recorder, Oboe, Clarinet, Bassoon, Trombone.

Tuning is Rameau's Tempérament Ordinarire (Ordinary Temperament), a circulating temperament generated by 7 meantone fifths (as large as 697 ¢) and five sharp fifths (as large as 704.2 ¢), then rounded to integer values. The cent figures of the tuning are: 101 ¢ 194 ¢ 295 ¢ 388 ¢ 496 ¢ 596 ¢ 697 ¢ 798 ¢ 891 ¢ 992 ¢ 1092 ¢ 1200 ¢.

Here's a score of this piece.